Average annual temperature is 17.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 151 days
Number of rainy days: 213 days
Number of snow days: 1 day
Look at detailed online map of Nagasaki
* Weather data for Nagasaki Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.0 | 17.4 | 24.4 | 26.3 | 27.3 | 30.8 | 33.0 | 36.7 | 33.3 | 28.0 | 26.7 | 22.1 |
| Average daytime temperature (°C) | 10.6 | 12.4 | 17.1 | 20.1 | 23.1 | 26.3 | 29.8 | 32.0 | 29.5 | 23.1 | 18.0 | 13.0 |
| Average temperature (°C) | 7.6 | 9.1 | 12.9 | 16.2 | 19.4 | 23.1 | 27.0 | 28.4 | 26.1 | 19.2 | 14.7 | 10.0 |
| Average night temperature (°C) | 5.1 | 6.2 | 9.6 | 13.0 | 16.5 | 20.6 | 24.9 | 25.8 | 23.6 | 16.2 | 11.8 | 7.4 |
| Absolute minimum temperature (°C) | -2.6 | 2.3 | 2.5 | 9.3 | 11.1 | 16.0 | 22.3 | 24.0 | 21.0 | 11.1 | 6.3 | 1.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.4 | 6.4 | 7.4 | 8.0 | 8.0 | 7.0 | 8.7 | 10.9 | 9.4 | 9.1 | 7.9 | 5.7 |
| Precipitation (mm) | 102 | 101 | 133 | 238 | 382 | 392 | 272 | 240 | 166 | 44 | 81 | 124 |
| Sunny days | 16 | 14 | 18 | 17 | 14 | 7 | 2 | 6 | 5 | 21 | 21 | 10 |
| Rainy days | 15 | 14 | 13 | 13 | 17 | 23 | 29 | 25 | 25 | 10 | 9 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Nagasaki during the most sunny months:
The largest precipitation sum in Nagasaki is at